<!doctype html>
<html>
	<head>
		<meta charset="utf-8">
		<title>ch10_04</title>
		<script src="https://apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script>
		<script type="text/javascript">
			$(function(){
				$("li").eq(2).css("background-color", "red");
			});
		</script>
	</head>
	<body>
		<ul>
			<li>跑步</li>
			<li>游泳</li>
			<li>篮球</li>
			<li>棒球</li>
			<li>台球</li>
		</ul>
	</body>
</html>